| Result | Tournament |
|---|---|
| Gary Collins defeated Robert Wilson | 2024 Derby City Classic One Pocket |
| Ben Jones defeated Gary Collins | 2024 Derby City Classic One Pocket |
| Gary Collins defeated Al Hammond | 2024 Derby City Classic One Pocket |
| Mickey Krause defeated Gary Collins | 2024 Derby City Classic One Pocket |
| Shane Wolford defeated Gary Collins | 2023 Derby City Classic One Pocket |
| Gary Collins defeated Jude Hammond | 2023 Derby City Classic One Pocket |
| Jason Shearer defeated Gary Collins | 2023 Derby City Classic One Pocket |
| Gary Collins defeated Robert Perez | 2023 Derby City Classic Bank Pool |
| Brandon Shuff defeated Gary Collins | 2023 Derby City Classic Bank Pool |
| Marc Horsting defeated Gary Collins | 2023 Derby City Classic Bank Pool |
| Sullivan Clark defeated Gary Collins | 2023 Derby City Classic 9-Ball |
| Tom Shumate defeated Gary Collins | 2023 Derby City Classic 9-Ball |
| Johnny Willis defeated Gary Collins | 2022 Derby City Classic One Pocket |
| Charlie Philippou defeated Gary Collins | 2022 Derby City Classic One Pocket |
| Gary Collins defeated Jason Miller | 2022 Derby City Classic Bank Pool |
| Gary Collins defeated Bill Cotton | 2022 Derby City Classic Bank Pool |
| Vincent Rochefort defeated Gary Collins | 2022 Derby City Classic Bank Pool |
| Fabian Breuer defeated Gary Collins | 2022 Derby City Classic Bank Pool |
| Gary Collins defeated Scott Philbrook | 2022 Derby City Classic Bank Pool |
| George Jeler defeated Gary Collins | 2022 Derby City Classic 9-Ball |
| Brian King defeated Gary Collins | 2022 Derby City Classic 9-Ball |
| John Pinegar defeated Gary Collins | 2020 Derby City Classic One Pocket |
| Gary Collins defeated Nick Christopher | 2020 Derby City Classic One Pocket |
| James Aranas defeated Gary Collins | 2020 Derby City Classic One Pocket |
| Gary Collins defeated Yury Kismereshkin | 2020 Derby City Classic Bank Pool |
| Gary Collins defeated Billy Martin | 2020 Derby City Classic Bank Pool |
| Maksim Dudanets defeated Gary Collins | 2020 Derby City Classic Bank Pool |
| Gary Collins defeated Jason Jones | 2020 Derby City Classic Bank Pool |
| Glenn Rogers defeated Gary Collins | 2020 Derby City Classic Bank Pool |
| Gary Collins defeated Brent Nyenbrink | 2019 Derby City Classic One Pocket |
| Cody Myers defeated Gary Collins | 2019 Derby City Classic One Pocket |
| Derek Pogirski defeated Gary Collins | 2019 Derby City Classic One Pocket |
| Gary Collins defeated Thomas Figg | 2019 Derby City Classic Bank Pool |
| Gary Collins defeated Brad Ragon | 2019 Derby City Classic Bank Pool |
| Christopher Frederick defeated Gary Collins | 2019 Derby City Classic Bank Pool |
| Clay Carman defeated Gary Collins | 2019 Derby City Classic Bank Pool |
| Gary Collins defeated Kenny Wilson | 2018 Derby City Classic Bank Pool |
| Ronnie Wiseman defeated Gary Collins | 2018 Derby City Classic Bank Pool |
| Tommy Tokoph defeated Gary Collins | 2018 Derby City Classic Bank Pool |
| Gary Collins defeated Steven Guittar | 2017 Derby City Classic Bank Pool |
| Chris McDaniel defeated Gary Collins | 2017 Derby City Classic Bank Pool |
| Jonathan Demet defeated Gary Collins | 2017 Derby City Classic Bank Pool |
| Bobby McGrath defeated Gary Collins | 2016 Derby City Classic Bank Pool |
| Gary Collins defeated Walter Guericke | 2016 Derby City Classic Bank Pool |
| Alex Olinger defeated Gary Collins | 2016 Derby City Classic Bank Pool |